Commit Graph

502 Commits

Author SHA1 Message Date
Randall Spangler
30b2bd27f6 Improve hostcmd command
Version and params fields are optional.
Output uses "%h" format code.

BUG=none
TEST=manual

    > hostcmd 0
    Response: 02000000
    > hostcmd 0 0
    Response: 02000000
    > hostcmd 0 1
    Command returned 6
    > hostcmd 1 0 10203040
    Response: 14233241

Change-Id: I8b3ff0f7d9a1131f942604724e04c59ff818396d
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28705
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2012-07-30 14:15:03 -07:00
Randall Spangler
7d06db201f Enhance printf()
1. Add precision to limit string length.
   ccprintf("%.4s", "foobar") prints "foob"

2. Handle '*' for length, precision fields.
   ccprintf("%.*s", 3, "foobar") prints "foo"

3. Add hex-dump code "%h"
   ccprintf("%.*s", 4, "foobar") prints 666f6f62

BUG=none
TEST=at ec console, 'hash' prints the current hash

Change-Id: I568310f2727495b021081bf58df2a0bbb3c74e73
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28704
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2012-07-30 13:41:33 -07:00
Rong Chang
709f6d8b2e Set TPSCHROME temp range configuration
Signed-off-by: Rong Chang <rongchang@chromium.org>
BUG=chrome-os-partner:11627
TEST=manual
  Check pmu registers under uart console: "pmu"
  TPSCHROME version < 3:
    reg(7) == 0xbd
    reg(8) == 0xfd
  TPSCHROME version >= 3:
    reg(7) == 0xbf
    reg(8) == 0xff

Change-Id: Ifeda54aa142b362aa224575c55220913b0ee7436
Reviewed-on: https://gerrit.chromium.org/gerrit/28587
Reviewed-by: Vic Yang <victoryang@chromium.org>
Commit-Ready: Rong Chang <rongchang@chromium.org>
Tested-by: Rong Chang <rongchang@chromium.org>
2012-07-29 22:35:45 -07:00
Vic Yang
435bec37e2 Modify Gaia power message to match x86 power module
Message from power modules should be similar for easier testing.

BUG=chrome-os-partner:11815
TEST=none

Change-Id: I07e061a34e7d8f8c1f1547d6e15f22f29ee22b84
Reviewed-on: https://gerrit.chromium.org/gerrit/28394
Commit-Ready: Vic Yang <victoryang@chromium.org>
Reviewed-by: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
2012-07-26 18:51:46 -07:00
Vic Yang
00799d5bc1 stm32f: Flash write protect
Implement STM32F write protect to match refactored flash module.
Also move fake write-protect pin to use backup register to preserve
value across reboot.

BUG=chrome-os-partner:11699
TEST=1. 'flashinfo'      -> no flags
     2. 'fakewp 1'       -> 'wp_gpio_asserted'
     3. 'flashwp enable' -> 'wp_gpio_asserted ro_at_boot'
     4. 'reboot'         -> 'wp_gpio_asserted ro_at_boot ro_now'
     5. 'fakewp 0'       -> 'ro_at_boot ro_now'
     6. 'reboot'         -> 'ro_at_boot'
     7. 'fakewp 1'       -> 'wp_gpio_asserted ro_at_boot'
     8. 'flashwp rw'     -> 'wp_gpio_asserted ro_at_boot rw_at_boot'
     9. 'reboot'         -> 'wp_gpio_asserted ro_at_boot ro_now
                             rw_at_boot rw_now'
     10.'flashwp disable'-> error 7
     11.'flashwp norw'   -> 'wp_gpio_asserted ro_at_boot ro_now rw_now'
     12.'reboot'         -> 'wp_gpio_asserted ro_at_boot ro_now'

Change-Id: I40405c266e30b10793ccae2f1d26fb9710ce304b
Reviewed-on: https://gerrit.chromium.org/gerrit/28372
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
2012-07-26 18:28:14 -07:00
Charlie Mooney
82cd5b0daa Stop keyboard scans from triggering ARM EC reset
The ARM EC was being rebooted when both the power and one of several other keys
were pressed. (LCtrl, Tab, Reload, t, [, ], y, Dim Screen and Mute) It should
only do this when the key combo PWR + Reload is pressed.

To fix it, keyboard scanning is disabled whenever the power button is
pressed.  It locks a mutex indicating that scanning should be disabled,
and the main keyboard scanning task blocks on the step where it sets up
the keyboard and waits for the mutex to unlock.

BUG=chrome-os-partner:10889
TEST=Pick one of the troublesome keys.  First press it, then quickly
press the power button.  Then press the power button followed
by the troublesome key.  Repeat this process several times for each key,
it should not reset the system.
Press power + reload, this should still reset the system.
Pressing and holding power should initiate a shutdown.

Change-Id: Ib60d2ebbb57eb8a3c135662514ec622c37a7eb07
Signed-off-by: Charlie Mooney <charliemooney@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28402
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2012-07-26 16:50:10 -07:00
Randall Spangler
247fdaf13d Change host command params/response pointers to void *
This removes a bunch of unnecessary typecasts, since you can assign
to/from void * without them.  This also uncovered a few cases where
const was being cast away for the input params; now fixed.

BUG=none
TEST=mkbp hash from u-boot console, and/or system boots ok

Change-Id: Ic314b9d2ca06226ea8a09703ef5c1a912eb7146d
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28500
2012-07-26 16:25:34 -07:00
Louis Yung-Chieh Lo
d0d50b6da7 Change some FMAP area_offset to be related to the start of flash.
The area_offset of following area are wrong which is related to the CPU
view in the STM32 chip:

  FMAP
  RO_FRID
  RW_FWID

Add a macro RELATIVE() to calculate the real offset in flash.

BUG=chrome-os-partner:11269
TEST=build in chroot for link and snow.
Those fmap afddress are related to the start of flash.

Change-Id: I691814e2f53b1de0ecf9fd385bed8d5c598373a7
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28388
Commit-Ready: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Reviewed-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
2012-07-25 21:52:04 -07:00
Randall Spangler
f94f8a01e1 Fix order of init hooks so chipset is called before power button
BUG=chrome-os-partner:11779
TEST=manual

1. power on system
2. sysjump RW
3. system should stay powered on

Change-Id: Idf238c0567daa6137324e91e58279329865a2d42
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28346
Reviewed-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
2012-07-24 22:32:03 -07:00
Louis Yung-Chieh Lo
3ab8ed4124 Add RW offset query interface (EC_CMD_FLASH_RW_OFFSET).
BUG=chrome-os-partner:11149
TEST=build only.

Originally-Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Change-Id: I35ad1e0a49c95a2d6cffbe49b2013a1b8050aabc
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28166
2012-07-24 17:38:10 -07:00
Randall Spangler
319d433d68 Calculate the hash only of the actual RW code
No need to hash a bunch of 0xff's at the end.  We explicitly set a
0xea byte after the end of the code in firmware_image.lds.S.

BUG=chrome-os-partner:11087
TEST=look for the hash start line in the EC debug output:

   [0.011543 hash start 0x00014000 0x00011590]

The second number is the code size.  It should be the same size as
ec.RW.bin, instead of 0x14000.

Change-Id: Ibc94851dc1a09eb46cad46bb97dc5762f9c521f0
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28300
2012-07-24 15:55:31 -07:00
Randall Spangler
187ea8f4ea hash command without args prints current hash
BUG=none
TEST=hash -> prints offset, size, (digest or in-progress)

Change-Id: Ic21319c522811b3b73ace3538adb5dda0e6324c2
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28301
2012-07-24 15:55:30 -07:00
Randall Spangler
1661f1cef0 Refactor flash module
This is a significant rewrite of the flash module, since it turns out
that much less of the flash logic is actually common between stm32 and
lm4.

BUG=chrome-os-partner:11699
TEST=on link,

(enable hardware wp)
flashinfo -> wp_gpio_asserted
flashwp enable
flashinfo -> wp_gpio_asserted ro_at_boot
reboot
flashinfo -> wp_gpio_asserted ro_at_boot ro_now
flashwp disable -> error 7
flashwp now
flashinfo -> wp_gpio_asserted ro_at_boot ro_now rw_now
reboot
flashinfo -> wp_gpio_asserted ro_at_boot ro_now
(disable hardware wp)
reboot
flashinfo -> ro_at_boot
flashwp disable
flashinfo -> (no flags)

Change-Id: If22b02373946ce1c080d49ccded4f8fa3e380115
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28200
Reviewed-by: Vic Yang <victoryang@chromium.org>
2012-07-23 23:30:33 -07:00
Vic Yang
0653aa011a Add console command to inject host command
For easier testing.

BUG=chrome-os-partner:11350
TEST=Try host command 0x01=CMD_HELLO.
      > hostcmd 0x01 0 00000000
      04030201
      > hostcmd 0x01 0 01020304
      05050505

Change-Id: I18becbd7d26241fa673fd46d9ce23a984ac47026
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28059
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-23 18:13:58 -07:00
Bill Richardson
97131838e8 Implement something close to final lightbar code.
BUG=chrome-os-partner:8039
TEST=manual

Boot the system, look at the lightbar. It should pulse colors slowly on
battery, faster on AC.

Change-Id: I0184973d11eda51db87d652aa2c92995f5a25588
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27810
2012-07-23 14:15:47 -07:00
Simon Glass
6147b158d5 host_command: Add send_result() to the arg structure
It's a bit odd that the drivers package up a command to be processed
by host_command, but then host_command calls a global function to
pass the response back.

This adds ambiguity in the host_send_response() implementations as to
whether the command being responded to really is using the same
buffers that the driver set up.

Add a function pointer to the command, and have host_command call
that. Add status to the args structure also, which removes some of
the special case logic for error handling.

BUG=chrome-os-partner:11317
TEST=manual and a bit ad-hoc:
(note, this testing is not completed yet)
Check that snow and link still process commands correctly over I2C
from U-Boot. At this stage only the old interface is supported.
SMDK5250 # mkbp test
Old interface:

New interface:
Version 0: ec_command() returned error
Test failed with error -1
SMDK5250 #

Change-Id: I816738150bce3f8d78e7cd32abf361621aa12312
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28154
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-23 13:23:06 -07:00
Randall Spangler
e27e2f0229 Add console functionality
Keys I keep hitting should work like I expect them to.

Home or Ctrl+A = move to beginning of line
End or Ctrl+E = move to end of line
Del = delete-right
Ctrl+K = delete to end of line
Ctrl+L = clear screen and reprint current line
Ctrl+N = next command
Ctrl+P = previous command

Also, improve filtering of escape sequences and non-printable
characters, so hitting unsupported keys or control codes doesn't mess
up the current line of input.

BUG=chrome-os-partner:11666
TEST=manual

  type 'fhelpbar'
  home -> cursor moves to beginning of line
  Ctrl+E -> cursor moves to end of line
  Ctrl+A -> cursor moves to beginning of line
    (of course, if you're using Minicom, you'll need to type Ctrl+A A, since
     Minicom uses Ctrl+A as its control key)
  del -> 'helpbar'
  end -> cursor moves to end of line
  left-arrow 3 times -> cursor moves under 'b'
  Ctrl+L -> screen clears, cursor still under 'b'
  Ctrl+K -> 'help'
  Ctrl+Y Page-Up Page-Down -> nothing printed
  enter -> prints known commands (output of 'help' command)
  Ctrl+P -> 'help'
  Ctrl+N -> empty command line

Change-Id: Id893c93b26db8f3deed6ea8be5aab88a3daaead4
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28143
2012-07-23 11:03:33 -07:00
Randall Spangler
085b31222b Refactor reboot command to add ap-off and cancel options
Also add 'preserve' flag, for tracking when flags have been preserved
from a previous boot.

BUG=chrome-os-partner:11663
TEST=manual

  reboot -> flags = soft
  reboot preserve -> flags = soft preserve

From ectool, 'ectool reboot_ec cold at-shutdown'

  sysinfo -> shows reboot at shutdown: 4
  reboot cancel
  sysinfo -> no longer shows pending reboot
  reboot ap-off -> flags = soft ap-off, AP is not powered on

Change-Id: I117f33fe21048edb2261be4dcdc6c828a5794d54
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28139
2012-07-23 11:03:33 -07:00
Randall Spangler
93f2e82133 Fix unit tests not compiling for link
BUG=none
TEST=make link tests

Change-Id: I678b927d068bd7f1f43115a4495c16902588faa7
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28140
2012-07-23 11:03:32 -07:00
Hung-Te Lin
7693bbd2e4 ec: Remove "_A" suffix in FMAP RW firmware areas.
Since we only have one RW firmware, let's remove _A to prevent confusion.
Also change "BOOT_STUB" to FR_MAIN to reflect the fact that it's not just
bootstub - it's a full firmware area just like FW_MAIN.

BUG=chrome-os-partner:11360
TEST=emerge-link chromeos-ec; dump_fmap -x /build/link/firmware/ec.bin

Change-Id: Ia84062ada5959164b2b4e0f9cc5fcc032ca6f71e
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27971
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Randall Spangler <rspangler@chromium.org>
2012-07-23 03:38:52 -07:00
Randall Spangler
ee71c0ae1b Revert "host_command: Add send_result() to the arg structure"
This reverts commit 18db93b25b05c871826fd1853a33a560e64ed247

Breaks link checksums.

Change-Id: Ieeb278b7d4da0600bdc9ced1476b67f23abce1a1
Reviewed-on: https://gerrit.chromium.org/gerrit/28136
Commit-Ready: Randall Spangler <rspangler@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Randall Spangler <rspangler@chromium.org>
2012-07-22 13:17:04 -07:00
Randall Spangler
360d91573a Support up to 24 thermal sensors
And tidy reporting fan/thermal via memmap.

BUG=chrome-os-partner:11628
TEST=manual
  ectool pwmgetfanrpm -> should report fan speed
  ectool temps N ->
    should work for N=0-9
    reports error for N=15-23
    reports invalid sensor ID for N<0 or N>23

Change-Id: I484f81399f5e9dae9c759401091cc6f5acc733ff
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28032
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2012-07-22 13:17:02 -07:00
Simon Glass
949d525e2a host_command: Add send_result() to the arg structure
It's a bit odd that the drivers package up a command to be processed
by host_command, but then host_command calls a global function to
pass the response back.

This adds ambiguity in the host_send_response() implementations as to
whether the command being responded to really is using the same
buffers that the driver set up.

Add a function pointer to the command, and have host_command call
that. Add status to the args structure also, which removes some of
the special case logic for error handling.

BUG=chrome-os-partner:11317
TEST=manual and a bit ad-hoc:
(note, this testing is not completed yet)
Check that snow and link still process commands correctly over I2C
from U-Boot. At this stage only the old interface is supported.
SMDK5250 # mkbp test
Old interface:

New interface:
Version 0: ec_command() returned error
Test failed with error -1
SMDK5250 #

Change-Id: Ic4afdcd7689666cc0f6af228abc6cffe41b0fcbf
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27468
2012-07-22 00:36:39 -07:00
Vic Yang
c26eb30863 stm32f: Fix some error in flash write protect
And also add a fake write protect pin command for futher development and
testing.

BUG=chrome-os-partner:11595
TEST=Enable pstate read/write for stm32f.
      1. 'flashinfo' -> WP pin deasserted. No blocks protected.
      2. 'flashwp enable' -> Nothing changes.
      3. 'fakewp 1'; 'flashinfo' -> WP pin asserted. No blocks
         protected.
      4. 'flashwp enable'; 'flashinfo' -> RO protected.

Change-Id: Id5b1997442d9104d9cb254a295e0bd2f8c83bc78
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28062
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-21 21:47:52 -07:00
David Hendricks
1911400b8b daisy/snow: enable SUSPEND_L interrupt
This enables interrupts on SUSPEND_L.

Signed-off-by: David Hendricks <dhendrix@chromium.org>
BUG=none
TEST=Power LED on Snow throbs when powerd_suspend is used

Change-Id: I5f06e717ddc07d5c2f129ff59a108131da8dbf87
Reviewed-on: https://gerrit.chromium.org/gerrit/27968
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Ready: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
2012-07-19 20:41:54 -07:00
Vincent Palatin
f9c2d375c3 link: update fan policy
As per James advice :
- increase fan speed at low temperature up to maximum "silent RPM",
this will give us more margin for later operations.
- lower the maximum fan RPM threshold to 86 C to try to lower CPU
  temperature impact on skin temp.
- do not take into account "object" temp sensors, they are too random
  at the moment.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=None
TEST=adhoc

Change-Id: I3b60570e33f82e4015c6588d9e2ae538a33ad14f
Reviewed-on: https://gerrit.chromium.org/gerrit/27921
Reviewed-by: Sameer Nanda <snanda@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
2012-07-19 20:41:53 -07:00
Randall Spangler
e5bdf41f39 Add interface to charge_state for lightbar
Use these functions to get charging state and battery percent.  Use
power_ac_present() from power_button.h to find out if AC adapter is present.

BUG=chrome-os-partner:8039
TEST=none

Change-Id: Ied670c297be316b0b8fa56a450a1566470099b5b
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27830
2012-07-19 11:35:21 -07:00
Vic Yang
c51466d0d0 Add host command to exit force idle charge state
Currently the only way to exit force idle state is to unplug AC power.
Let's add a host command to do so.

Signed-off-by: Vic Yang <victoryang@chromium.org>

BUG=chrome-os-partner:9716
TEST=# ectool chargeforceidle 0
     - Check nothing happened
     # ectool chargeforceidle 1
     - Power LED blinking green. Check current = 0.
     # ectool chargeforceidle 0
     - Power LED back to yellow. Check charging.

Change-Id: Ia8f504b6cf9f42b7d57af3ce2d240f3b00a095f1
Reviewed-on: https://gerrit.chromium.org/gerrit/27768
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
2012-07-18 22:36:42 -07:00
Vic Yang
5251382d0b Send hook notification on GAIA power event
GAIA power module should send hook notification when power state
changes.

BUG=chrome-os-partner:11536
TEST=Hook a console message to HOOK_CHIPSET_SHUTDOWN and check this
message is printed to console when system shuts down.

Change-Id: I5bc3e69eeefeeda453526625887f852b9095ac08
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27814
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-18 22:36:39 -07:00
Hung-Te Lin
7a7d7b7c86 chromeos-ec: Refine FMAP.
Make EC FMAP more compliant to existing devices (EC_RO, EC_RW, RW_FWID),
eliminating unnecessary areas (RO_SETION, EC_IMAGE), and add more detailed
comments to each area.

BUG=chrome-os-partner:11360
TEST=emerge-link chromeos-ec; dump_fmap -x ec.bin

Change-Id: I3d30d6fe0d3cee2e944009dccef488f7215b6395
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27739
2012-07-18 20:27:42 -07:00
Randall Spangler
8137b29125 Add EC flash protect command to ectool
BUG=chrome-os-partner:11150
TEST=manual

Enable WP GPIO.  Then from a root shell

   localhost ~ # ectool flashprotect
   Flash protect flags: 0x00000008 wp_gpio_asserted
   Writable flags:      0x00000005 ro_at_boot rw_now
   localhost ~ # ectool flashprotect enable
   Flash protect flags: 0x0000000b wp_gpio_asserted ro_at_boot ro_now
   Writable flags:      0x00000004 rw_now
   localhost ~ # ectool flashprotect enable
   Flash protect flags: 0x0000000b wp_gpio_asserted ro_at_boot ro_now
   Writable flags:      0x00000004 rw_now
   localhost ~ # ectool flashprotect now
   Flash protect flags: 0x0000000f wp_gpio_asserted ro_at_boot ro_now rw_now
   Writable flags:      0x00000000
   localhost ~ # ectool flashprotect now
   Flash protect flags: 0x0000000f wp_gpio_asserted ro_at_boot ro_now rw_now
   Writable flags:      0x00000000
   localhost ~ # ectool flashprotect disable
   Flash protect flags: 0x0000000f wp_gpio_asserted ro_at_boot ro_now rw_now
   Writable flags:      0x00000000
   Unable to set requested flags (wanted mask 0x00000001 flags 0x00000000)
   Which is expected, because writable mask is 0x00000000.

Then disable WP GPIO and reboot

   localhost ~ # ectool flashprotect
   Flash protect flags: 0x00000001 ro_at_boot
   Writable flags:      0x00000001 ro_at_boot
   localhost ~ # ectool flashprotect disable
   Flash protect flags: 0x00000000
   Writable flags:      0x00000001 ro_at_boot

Change-Id: Idc5de3b3033521467aca8fb0ba9b7c378d0ad2a1
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27799
2012-07-18 18:15:29 -07:00
Randall Spangler
3dfc336b44 Better handling of corner cases for flash protection
If WP isn't asserted, 'flashwp now' does nothing.
If WP is already enabled, 'flashwp enable' succeeds.

BUG=chrome-os-partner:11150
TEST=manual

(disable physical WP)
flashwp now
flashinfo -> nothing protected
flashwp enable
flashinfo -> ro_at_boot set, nothing protected
(enable physical WP)
reboot
flashinfo -> ro_at_boot ro_now
flashwp enable -> (succeeds)
flashwp disable -> fails
flashinfo -> ro_at_boot ro_now
flashwp now
flashinfo -> ro_at_boot ro_now rw_now
(disable physical WP)
reboot
flashwp disable
flashinfo -> nothing protected

Change-Id: I4660d822886635e71ab1636c737611214852f58c
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27798
2012-07-18 18:15:18 -07:00
Randall Spangler
c7b4a30a53 Use config values for flash protect/erase/write sizes
Since they're config values anyway.  Gets rid of an unneeded layer of
function call.

BUG=chrome-os-partner:11150
TEST=build link, snow, daisy; flashinfo returns same values

Change-Id: I27fa007f64a446f1ec0fe22ae16c5c1ac667f8e9
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27797
2012-07-18 18:15:00 -07:00
Randall Spangler
9a8223a8db Remove flash_read()
Everything now uses flash_dataptr() to get at flash memory rather than
calling the read function, since the read function adds a needless memcpy().

BUG=chrome-os-partner:11150
TEST=manual

flashwp enable
reboot
flashinfo -> should show ro_at_boot
flashwp disable
reboot
flashinfo -> should no longer show ro_at_boot

Change-Id: I1830e2f036cf6777115c782c1737335ff2eb4ce0
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27796
2012-07-18 18:14:47 -07:00
Randall Spangler
1a76325fa8 Continue refactoring flash write protect
Now properly detects partially-protected flash banks.

Also renames 'flashwp lock/unlock' to 'flashwp enable/disable'

BUG=chrome-os-partner:11150
TEST=manual

ww 0x400fe400 0x7fffffff
flashinfo -> ro_now PARTIAL
reboot
ww 0x400fe404 0x7fffffff
flashinfo -> rw_now PARTIAL
flashwp now
flashinfo -> ro_now rw_now (and NOT partial)

Change-Id: I9266a024eee6d75af052cd47e3f54468ad959a12
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27795
2012-07-18 18:14:36 -07:00
Randall Spangler
2223179cbc Move looking at write protect GPIO to button/switches module
Since that already monitors the WP signal for reporting it as a
switch.  And if we have that code in two places and the WP signal
polarity changes, we'll inevitably forget to change it in the other
place...

BUG=chrome-os-partner:11150
TEST=manual

flashinfo -> WP pin asserted
remove WP screw
flashinfo -> WP pin deasserted

Change-Id: I6091c8bb470c357e02ede8a5b184b2a76b70dc60
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27720
2012-07-18 15:51:36 -07:00
Randall Spangler
3f492b471b Continue simplifying flash write protect
Now that read-only code is protected iff the persistent state is
locked, we don't need to track per-block in the persistent state.

BUG=chrome-os-partner:11150
TEST=if it builds and boots, it's fine

Change-Id: I80e6a85c0c72136b7ed8964ce02c8abdbaafe637
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27719
2012-07-18 13:49:11 -07:00
Randall Spangler
aabe50f0d5 Move flash commands into flash_common.c
In preparation for more flash refactoring.

BUG=chrome-os-partner:11150
TEST=build link, snow

Change-Id: If877e5ebee5af0f9b167ec7b28fd9d718d0108ec
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27718
2012-07-18 13:48:56 -07:00
Randall Spangler
ad2268e739 Simplify flash protection, part 1
1. If the flash protection state is locked, RO firmware is explicitly locked.
2. Protecting flash now locks the entire flash.

BUG=chrome-os-partner:11150
TEST=manual

flashinfo -> nothing protected
flashwp now
flashinfo -> unlocked,applied; everything protected
reboot
flashinfo -> nothing protected
flashwp lock ->
flashinfo -> locked,applied; now has 40 Y's at start and 1 at end
reboot
flashinfo -> locked,applied; now has 40 Y's at start and 1 at end
remove WP screw
reboot
flashinfo -> locked, not applied; nothing protected
flashwp unlock
flashinfo -> nothing protected

Change-Id: I2cf0e8bfe82ab7a5bf88b9161b7a05b889cae71a
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27717
2012-07-18 13:48:46 -07:00
Duncan Laurie
2bee304abd Remove the keyboard "cold reset" hack
This was needed because we could not do a clean
reset with CF9 and were relying on the keyboard
reset pulse to trigger a cold reset.

However it has the downside of causing a kernel
panic to be a cold reset and the kernel panic
information in memory is lost.

Now that we have a VR workaround this hack can
be disabled and the keyboard can instead issue
a warm reset.

BUG=chrome-os-partner:11036
TEST=manual

1) install this EC on a Link device and boot
2) log in and execute "echo panic > /proc/breakme"
3) after reboot look for kernel entry in /var/spool/crash

Change-Id: I1134618f0a202d37aaae69a1d857fa8853a7e52c
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27722
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-18 13:11:07 -07:00
Randall Spangler
60e7844818 Remove old flash WP commands
These don't accurately reflect how flash write protect was/is implemented.

BUG=chrome-os-partner:11150
TEST=build link, snow

Change-Id: I126253a2ce05e5d3a51471c32211e6cacbfd85d4
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27716
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
2012-07-18 13:11:07 -07:00
Vincent Palatin
f211884888 ir357x: update voltage regulator settings
- add settings for IR3570A
- disable low voltage fault and keep ready signal when SVID=0.
 (on IR3571 and IR3570A)
- match IR3571 settings with IR3571_REV7_DRC_6_28_12 to ensure we are
  meeting all power requirements.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BUG=chrome-os-partner:8397 chrome-os-partner:10171
TEST=on Link EVT with IR3571 and Link EVT reworked with IR3570A,
test reboot and RC6+.

Change-Id: Ibe34e3c6f0de1e6a08d526fe5fce743feb42645c
Reviewed-on: https://gerrit.chromium.org/gerrit/27504
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2012-07-18 12:06:54 -07:00
Vic Yang
f322e1b96a Set power LED to green when we are trickle charging nearly full
When battery is nearly full, battery sometimes demands for very low
current and we are actually trickle charging. This causes the last part
of charging process very long, but the actual charged amount is only few
mAh. Let's set power LED to green in this case so that user doesn't feel
the device is charging forever.

BUG=chrome-os-partner:11248
TEST=Charge the battery to nearly full. Disconnect and connect AC power.
     Check the power LED is green when we are trickle charging.

Change-Id: Ide108778232e9f1d3abe6b61af7518af25040d10
Reviewed-on: https://gerrit.chromium.org/gerrit/27264
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
Reviewed-by: Vic Yang <victoryang@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-18 09:31:27 -07:00
Louis Yung-Chieh Lo
9c289eda9f Enable Lucas EC WP again.
Uncomment back the old code and fix the bug of WRP bit definition and
also write_opt().

Note that to make this functional, wp_pin_asserted() always returns true.

Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Change-Id: Ic09d3346ca68a2700697ff863f0fa08525129b11
BUG=chrome-os-partner:9849
TEST=run on lucas.
> flashwp set 0 0x1f000
> flashwp lock
> flashinfo  # ensure the setting is right.
stm32mon -r to read the firmware.
stm32mon -w to write a different image.
stm32mon -r to read again and compare the firmware is non-changed.
> flashwp unlock
Command returned error 1
stm32mon -u to unlock write protection.
Reviewed-on: https://gerrit.chromium.org/gerrit/27503
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Commit-Ready: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
2012-07-18 00:56:45 -07:00
Simon Glass
73b042f3dc gaia_power: Allow AP power to be controlled
Enhance the power command to support turning power on/off.

Do this by requesting the state of the main power control loop,
rather than hacking in new states or flags.

BUG=chrome-os-partner:11427
TEST=manual
Try 'power on' and 'power off' and see that it obeys.

Change-Id: Ie6db41dda16176818510f8902ab803e165494424
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27654
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2012-07-17 23:14:11 -07:00
Simon Glass
698ae9f5ad gaia_power: Add power command to check power state.
It is useful to be able to see the current AP power state, and x86
has a command for this. Add one for gaia.

BUG=chrome-os-partner:11427
TEST=manual
(start with power off)
> powerinfo
off

(press power button)
> [batt] state idle -> pre-charging
AP running ...
Power button released
Setting pwron timer 10038870
powerinfo
on
> Releasing pwron

(after kernel boots, make device go into suspend by typing this at
kernel command line:
type echo mem > /sys/power/state)
> powerinfo
suspend

Change-Id: I3244b3a7fd0b6dd689f3470fb97ffe5a72c8d8f9
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27653
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2012-07-17 23:14:10 -07:00
Randall Spangler
8978c6abac Tidy debug output for reboot command
Should print what command is being executed, to help debug software sync

BUG=chrome-os-partner:11087
TEST=power on system, look for updated debug message, for example
   [1.636893 Executing host reboot command 5]

Change-Id: Ib543fc265fe881dc2089119ab3c0a52b0fce3b4d
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27659
2012-07-17 14:41:01 -07:00
Rong Chang
ea1cde3971 daisy: Re-read suspend gpio when asked for chipset state
The SUSPEND_L GPIO is marked interruptable, but this apparently
does not work, and the gaia_suspend_event() function is not updated as expected.

As a workaround, check the GPIO value on ever call to
chipset_in_state().

BUG=chrome-os-partner:11285
TEST=manal
Using new 'power' command check that the state updates when the AP
is in suspend from 'on' to 'suspend'.

Change-Id: I9c520e69b9910c649bf6d8381ee167da6facc634
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27652
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2012-07-17 14:41:00 -07:00
Randall Spangler
c89edce83f Don't waste space on vblock and root key if not doing sig-based EC vboot
BUG=chrome-os-partner:11455
TEST=dump_fmap build/link/ec.bin; shouldn't see VBLOCK or ROOT_KEY sections

Change-Id: I8c1309936d86772fdf9aecdc8d95f0578ef0f65b
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27661
2012-07-17 14:41:00 -07:00
Randall Spangler
eb93d200be Rename section A to RW, to match other platforms
BUG=chrome-os-partner:11149
TEST=make link, snow, bds; on reboot,
  sysjump rw
  sysinfo   <- should indicate current image is rw
Then on root shell,
  ectool version  <- should indicate rw

Change-Id: I833fcb814165379dd044e4cb46ae338e5da81212
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27660
2012-07-17 14:40:59 -07:00